CMAKE can't add qml file

Rocky Plantchair

Hi, when using cmake I cannot add additional qml files. Here is my code. It works with qmake.

main.qml

import QtQuick
import QtQuick.Controls 2.5
import QtQuick.Layouts 1.3

ApplicationWindow {
    property string rootTitle: "Testing"
    property string firstPageTitle: "First page"
    property string secondPageTitle: "Second Page"
    property string thirdPageTitle: "Third page"

    id: root
    width: 480
    height: 640
    visible: true
    title: rootTitle

    header: ToolBar {
        RowLayout {
            anchors.fill: parent
            ToolButton {
                id: title
                text: rootTitle
                Layout.fillWidth: true
                onClicked: {
                    menu.open()
                }
            }
        }
    }

    Menu {
        id: menu
        width: root.width
        height: root.height
        font.pointSize: 15
        MenuItem {  // FIRST PAGE
            height: root.height / 3
            Rectangle {
                height: parent.height
                width: parent.width
                color: "red"
                opacity: 0.8
                Text {
                    font.pointSize: 15
                    text: firstPageTitle
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.horizontalCenter: parent.horizontalCenter
                }
            }
            onClicked: {
                title.text = firstPageTitle
                stack.push(firstpage)
            }
        }
        MenuItem { // SECOND PAGE
            height: root.height / 3
            Rectangle {
                height: parent.height
                width: parent.width
                color: "blue"
                opacity: 0.8
                Text {
                    font.pointSize: 15
                    text: secondPageTitle
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.horizontalCenter: parent.horizontalCenter
                }
            }
            onClicked: {
                title.text = secondPageTitle
                stack.push(secondpage)
            }
        }
        MenuItem { // THIRD PAGE
            height: root.height / 3
            Rectangle {
                height: parent.height
                width: parent.width
                color: "orange"
                opacity: 0.8
                Text {
                    font.pointSize: 15
                    text: thirdPageTitle
                    anchors.verticalCenter: parent.verticalCenter
                    anchors.horizontalCenter: parent.horizontalCenter
                }
            }
            onClicked: {
                tittle.text = thirdPageTitle
                stack.push(thirdpage)
            }
        }
    }

    StackView {
        id: stack
        anchors.fill: parent
    }

    Component {
        id: firstpage
        Loader {
            source: "qrc:/firstpage.qml"
        }
    }
    Component {
        id: secondpage
        Loader {
            source: "qrc:/secondpage.qml"
        }
    }
    Component {
        id: thirdpage
        Loader {
            source: "qrc:/thirdpage.qml"
        }
    }

    Component.onCompleted: {
        menu.open()
    }
}

firstpage.qml

import QtQuick
import QtQuick.Controls 2.5
import QtQuick.Layouts 1.3

Item {
    Rectangle {
        anchors.fill: parent
        color: "blue"
    }
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.16)

project(testing VERSION 0.1 LANGUAGES CXX)

set(CMAKE_AUTOMOC ON)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package(Qt6 6.2 COMPONENTS Quick QuickControls2 REQUIRED)

qt_add_executable(apptesting
    main.cpp
    res.qrc
)

qt_add_qml_module(apptesting
    URI testing
    VERSION 1.0
    QML_FILES main.qml 
)

set_target_properties(apptesting PROPERTIES
    MACOSX_BUNDLE_GUI_IDENTIFIER my.example.com
    MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
    MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
    MACOSX_BUNDLE TRUE
    WIN32_EXECUTABLE TRUE
)

target_link_libraries(apptesting
    PRIVATE Qt6::Quick Qt6::QuickControls2)

install(TARGETS apptesting
    BUNDLE DESTINATION .
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})